<template>
  <div class="app-container">
    <el-form
      :model="queryParams"
      ref="queryForm"
      size="mini"
      :inline="true"
      v-show="showSearch"
      label-width="100px"
    >
      <el-form-item label="任务名称" prop="nodeName">
        <el-input
          v-model="queryParams.nodeName"
          placeholder="请输入任务名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="流程状态" prop="flowStatus">
        <el-select
          v-model="queryParams.flowStatus"
          placeholder="请选择流程状态"
          clearable
        >
          <el-option
            v-for="dict in dict.type.flow_status"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="审批人" prop="approver">
        <el-input
          v-model="queryParams.approver"
          placeholder="请输入审批人"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="创建时间" prop="createTime">
        <el-date-picker
          clearable
          size="small"
          v-model="queryParams.createTime"
          type="datetime"
          value-format="yyyy-MM-dd HH:mm:ss"
          placeholder="选择创建时间"
        >
        </el-date-picker>
      </el-form-item>
      <el-form-item>
        <el-button
          type="primary"
          icon="el-icon-search"
          size="mini"
          @click="handleQuery"
          >搜索</el-button
        >
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery"
          >重置</el-button
        >
      </el-form-item>
    </el-form>
    <el-table v-loading="loading" :data="instanceList" border>
      <!-- <el-table-column type="selection" width="55"  fixed />
      <el-table-column label="序号" width="55" key="id" prop="id">
        <template slot-scope="scope">
          {{ scope.$index + 1 }}
        </template>
      </el-table-column> -->
      <el-table-column
        label="标题"
        prop="flowName"
        :show-overflow-tooltip="true"
      >
        <template slot-scope="scope">
          {{ scope.row.submitUser + "提交的" + scope.row.flowName }}
        </template>
      </el-table-column>
      <el-table-column
        label="摘要"
        prop="businessValue"
        :show-overflow-tooltip="true"
      >
        <template #default="scope">
          <div v-if="scope.row.businessValue" class="text">
            <div v-for="(value, key) in scope.row.businessValue" :key="key">
              <strong>{{ key }}：</strong>{{ value }}
            </div>
          </div>
          <div v-else>无数据</div>
        </template>
      </el-table-column>
      <el-table-column
        label="当前节点"
        prop="nodeName"
        :show-overflow-tooltip="true"
      />
      <el-table-column
        label="申请人"
        prop="submitUser"
        :show-overflow-tooltip="true"
      />
      <el-table-column
        label="发起时间"
        prop="submitTime"
        :show-overflow-tooltip="true"
      />
      <!-- <el-table-column label="上个节点处理人"  prop="approver" :show-overflow-tooltip="true"/> -->
      <el-table-column
        label="流程状态"
        prop="flowStatus"
        :show-overflow-tooltip="true"
      >
        <template slot-scope="scope">
          <dict-tag
            :options="dict.type.flow_status"
            :value="scope.row.flowStatus"
          />
        </template>
      </el-table-column>
      <!-- <el-table-column label="创建时间"  prop="createTime" width="160" :show-overflow-tooltip="true">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime) }}</span>
        </template>
      </el-table-column> -->
      <el-table-column
        label="操作"
        width="110"
        fixed="right"
        class-name="small-padding fixed-width"
      >
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            @click="handle(scope.row)"
            v-hasPermi="['flow:execute:handle']"
            >办理</el-button
          >
          <el-button
            size="mini"
            type="text"
            @click="showDoneList(scope.row.instanceId)"
            v-hasPermi="['flow:execute:doneList']"
            >审批记录</el-button
          >
          <el-button
            size="mini"
            type="text"
            @click="toFlowImage(scope.row.instanceId)"
            >流程图</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total > 0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />
    <component
      v-bind:is="approve"
      v-model="businessId"
      :taskId="taskId"
      :disabled="true"
      @refresh="getList"
    ></component>
    <el-dialog title="流程图" :visible.sync="flowChart" width="80%">
      <img :src="imgUrl" width="100%" style="margin: 0 auto" />
    </el-dialog>
  </div>
</template>

<script>
import { donePage } from "@/api/flow/execute";
import { flowImage } from "@/api/flow/definition";

export default {
  name: "Todo",
  dicts: ["flow_status"],
  data() {
    return {
      // 遮罩层
      loading: true,
      imgUrl: "",
      flowChart: false,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 流程实例表格数据
      instanceList: [],
      // 业务审批页面
      approve: null,
      taskId: "",
      businessId: "",
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        nodeName: null,
        flowStatus: null,
        approver: null,
        createTime: null,
      },
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询流程实例列表 */
    getList() {
      this.loading = true;
      donePage(this.queryParams).then((response) => {
        this.instanceList = response.rows;
        this.total = response.total;
         this.loading = false;
      });
    },
    /** 办理按钮操作 */
    showDoneList(instanceId) {
      const params = { disabled: false, pageNum: this.queryParams.pageNum };
      this.$tab.openPage(
        "流程历史记录",
        "/done/doneList/index/" + instanceId,
        params
      );
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map((item) => item.id);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },
    /** 办理按钮操作 */
    handle(row) {
      this.taskId = row.id;
      this.businessId = row.businessId;
      if (row.fromPath) {
        // 实际情况是，不同条件对应不同的页面，所以用动态组件
        this.approve = (resolve) =>
          require([`@/views/${row.fromPath}`], resolve);
      }
    },
    toFlowImage(instanceId) {
      flowImage(instanceId).then((response) => {
        this.flowChart = true;
        this.imgUrl = "data:image/gif;base64," + response.data;
      });
    },
  },
};
</script>

<style>
/* 确保文本左对齐并适当调整行间距 */
.text {
  text-align: left !important; /* 强制左对齐 */
  line-height: 1.5; /* 调整行高 */
}
</style>